Transverse Spin in QCD and Transverse Polarized Deep Inelastic Scattering

Harindranath, A and Mukherjee, Asmita and Ratabole, Raghunath (2000) Transverse Spin in QCD and Transverse Polarized Deep Inelastic Scattering. [Preprint]

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Abstract

We address the long standing problem of the construction of relativistic spin operators for a composite system in QCD. Exploiting the kinematical boost symmetry in light front theory, we show that transverse spin operators for massless particles can be introduced in an arbitrary reference frame, in analogy with those for massive particles. In light front QCD, the complete set of transverse spin operators are identified for the first time, which are responsible for the helicity flip of the nucleon. We establish the direct connection between transverse spin in light front QCD and transverse polarized deep inelastic scattering. We discuss the theoretical and phenomenological implications of our results.

Item Type:	Preprint
Additional Information:	Phys.Lett. B476 (2000) 471-476
Department/Centre:	Division of Physical & Mathematical Sciences > Centre for Theoretical Studies (Ceased to exist at the end of 2003)
Date Deposited:	23 Jul 2004
Last Modified:	19 Sep 2010 04:13
URI:	http://eprints.iisc.ac.in/id/eprint/842

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